Define Data Warehousing?

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More Data Warehouse General Interview Questions

What are components of report studio?

What is a junk dimension? What is the difference between junk dimension and degenerated dimension?

Can we have more than one time dimensions in a Schema(Star or Snowflake)

What is difference between Mapplet and reusable transformation?

Explain what are the tasks that loadmanger process will do?

Explain what is fact less fact table? Where you have used it in your project?

Is there any rownum object from which we can do this?

What is a fact, dimension, measure?

Explain a relation schema and a relation?

After we create a scd table, can we use that particular dimension as a dimension table for star schema?

What is Operational Data Store?

How can we run the graph? What is the procedure for that? How can we schedule the graph in unix?

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